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155374152 = 23317380819
BaseRepresentation
bin10010100001011…
…01001001001000
3101211100211021020
421100231021020
5304233433102
623230112440
73564441603
oct1120551110
9354324236
10155374152
117a78299a
124404b720
132626108b
14168c733a
15d991bbc
hex942d248

155374152 has 32 divisors (see below), whose sum is σ = 411285600. Its totient is φ = 48744704.

The previous prime is 155374117. The next prime is 155374157. The reversal of 155374152 is 251473551.

It is a super-2 number, since 2×1553741522 = 48282254219438208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155374157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190002 + ... + 190817.

It is an arithmetic number, because the mean of its divisors is an integer number (12852675).

Almost surely, 2155374152 is an apocalyptic number.

155374152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155374152 is an abundant number, since it is smaller than the sum of its proper divisors (255911448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155374152 is a wasteful number, since it uses less digits than its factorization.

155374152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380845 (or 380841 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 155374152 is about 12464.9168468947. The cubic root of 155374152 is about 537.6004090044.

The spelling of 155374152 in words is "one hundred fifty-five million, three hundred seventy-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 380819 761638 1142457 1523276 2284914 3046552 4569828 6473923 9139656 12947846 19421769 25895692 38843538 51791384 77687076 155374152